CN205142061U

CN205142061U - Accurate type motor control system

Info

Publication number: CN205142061U
Application number: CN201521042225.XU
Authority: CN
Inventors: 李广兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-07
Filing date: 2015-12-07
Publication date: 2016-04-06
Anticipated expiration: 2025-12-07

Abstract

The utility model discloses an accurate type motor control system, including motor, singlechip, input module, current -limiting protective film piece, position sensor and angle sensor, the output of input module and current -limiting protective film piece all with the input electric connection of singlechip, position sensor's output respectively with rotational speed calculation module and torque calculation module's input electric connection, angle sensor's output respectively with rotational speed calculation module and torque calculation module's input electric connection, rotational speed calculation module and torque calculation module all with the input electric connection of singlechip, rotational speed control module and torque control module's output all with drive module's input electric connection, drive module's the output module and the input module electric connection of motor. The utility model discloses not only control is accurate, and the security is high moreover, motor long service life.

Description

A kind of accurately type electric machine control system

Technical field

The utility model relates to electric machine control system field, specifically a kind of accurately type electric machine control system.

Background technology

Motor, be commonly called as motor, it is a kind of a kind of calutron quantitatively realizing electric energy conversion according to electromagnetic induction or transmit, its Main Function produces driving torque, as the power source of electrical appliance or various machinery, to the traditional approach that motor controls be, by designing a large amount of secondary circuits and external control cable, and the connection of control loop is realized by hard wired mode, but there is wiring complexity in this control mode, workload is large, use the shortcomings such as inconvenience, simultaneously to the speed of motor and the control of torque accurate not, the demand of equipment component cannot be met.

Summary of the invention

For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of accurately type electric machine control system.

To achieve these goals, the technical scheme that the utility model adopts is: a kind of accurately type electric machine control system, comprise motor, single-chip microcomputer, input module, current-limiting protection module, position transducer and angular transducer, the output of described input module and current-limiting protection module is all electrically connected with the input of single-chip microcomputer, the output of described position transducer is electrically connected with the input of rotating speed computing module and torque calculation module respectively, the output of angular transducer is electrically connected with the input of rotating speed computing module and torque calculation module respectively, described rotating speed computing module and torque calculation module are all electrically connected with the input of single-chip microcomputer, the output of described single-chip microcomputer respectively with rotational speed control module, torque control module, the input of display module and alarm module is electrically connected, the output of described rotational speed control module and torque control module is all electrically connected with the input of driver module, the output module of driver module and the input module of motor are electrically connected.

Further, described position transducer and angular transducer are all arranged on the brush place of the inside of motor.

Further, be provided with current detection module in described current-limiting protection module, and current detection module is positioned at the current input terminal of motor.

Adopt after technique scheme, the utility model compared to the prior art advantageously:

Accurate type electric machine control system described in the utility model, by the motion conditions of brush in position transducer and angular transducer monitoring motor, and send data to rotating speed computing module and torque calculation module, the result calculated and set point are compared, then by rotational speed control module and torque control module adjusted, improve the accuracy that motor exports, achieve the accurate control of motor, by the current input terminal at motor, current detection module is installed, the input current of motor is detected, and Monitoring Data is sent to current-limiting protection module place, current-limiting protection is carried out to motor, improve the fail safe of control system, extend the useful life of motor.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated:

Fig. 1 is theory diagram of the present utility model.

In Reference numeral: 1-motor; 2-driver module; 3-rotational speed control module; 4-torque control module; 5-single-chip microcomputer; 6-input module; 7-current-limiting protection module; 8-rotating speed computing module; 9-torque calculation module; 10-position transducer; 11-angular transducer; 12-display module; 13-alarm module.

Embodiment

The following stated is only preferred embodiment of the present utility model, does not therefore limit protection range of the present utility model.

Embodiment, as shown in Figure 1, a kind of accurately type electric machine control system, comprise motor 1, single-chip microcomputer 5, input module 6, current-limiting protection module 7, position transducer 10 and angular transducer 11, the output of input module 6 and current-limiting protection module 7 is all electrically connected with the input of single-chip microcomputer 5, current detection module is provided with in current-limiting protection module 7, and current detection module is positioned at the current input terminal of motor 1, the output of position transducer 10 is electrically connected with the input of rotating speed computing module 8 and torque calculation module 9 respectively, the output of angular transducer 11 is electrically connected with the input of rotating speed computing module 8 and torque calculation module 9 respectively, position transducer 10 and angular transducer 11 are all arranged on the brush place of the inside of motor 1, rotating speed computing module 8 and torque calculation module 9 are all electrically connected with the input of single-chip microcomputer 5, the output of single-chip microcomputer 5 respectively with rotational speed control module 3, torque control module 4, the input of display module 12 and alarm module 13 is electrically connected, the output of rotational speed control module 3 and torque control module 4 is all electrically connected with the input of driver module 2, the output module of driver module 2 and the input module of motor 1 are electrically connected.

Operation principle: by the set point of input module 6 to input speed in single-chip microcomputer 5 and torque, during the work of this control system, position and the angle of the brush in position transducer 10 and angular transducer 11 pairs of motors 1 detect in real time, and the data detected are sent to rotating speed computing module 8 and torque calculation module 9 place, and computing is carried out to it, transfer of data after calculating is to single-chip microcomputer 5 place, compare with set point, and by rotational speed control module 3 and torque control module 4 adjusted, in the course of work, detected by the input current of current detection module to motor 1 of the current output terminal of motor 1, when input current is higher than set point, single-chip microcomputer 5 controls alarm module 13 and works, stopped the running of motor 1 by driver module 2 simultaneously.

To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.

The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection range that all should be included in technical solutions of the utility model.

Claims

1. an accurate type electric machine control system, comprise motor (1), single-chip microcomputer (5), input module (6), current-limiting protection module (7), position transducer (10) and angular transducer (11), it is characterized in that: the output of described input module (6) and current-limiting protection module (7) is all electrically connected with the input of single-chip microcomputer (5), the output of described position transducer (10) is electrically connected with the input of rotating speed computing module (8) and torque calculation module (9) respectively, the output of angular transducer (11) is electrically connected with the input of rotating speed computing module (8) and torque calculation module (9) respectively, described rotating speed computing module (8) and torque calculation module (9) are all electrically connected with the input of single-chip microcomputer (5), the output of described single-chip microcomputer (5) respectively with rotational speed control module (3), torque control module (4), the input of display module (12) and alarm module (13) is electrically connected, the output of described rotational speed control module (3) and torque control module (4) is all electrically connected with the input of driver module (2), the output module of driver module (2) and the input module of motor (1) are electrically connected.

2. the accurate type electric machine control system of one according to claim 1, is characterized in that: described position transducer (10) and angular transducer (11) are all arranged on the brush place of the inside of motor (1).

3. the accurate type electric machine control system of one according to claim 1, is characterized in that: be provided with current detection module in described current-limiting protection module (7), and current detection module is positioned at the current input terminal of motor (1).